feat: add oras cli (#6)

Author: casey-brooks

Dockerfile

@@ -5,6 +5,7 @@ FROM golang:1.25-bookworm
 ARG BUF_VERSION=1.64.0
 ARG AIR_VERSION=1.64.5
 ARG OAPI_CODEGEN_VERSION=2.4.1
+ARG ORAS_VERSION=1.1.0
 
 RUN apt-get update \
  && apt-get install -y --no-install-recommends \
@@ -20,6 +21,11 @@ RUN curl -sSL "https://github.com/bufbuild/buf/releases/download/v${BUF_VERSION}
       -o /usr/local/bin/buf \
  && chmod +x /usr/local/bin/buf
 
+RUN curl -fsSL -o /tmp/oras.tar.gz \
+      "https://github.com/oras-project/oras/releases/download/v${ORAS_VERSION}/oras_${ORAS_VERSION}_linux_$(dpkg --print-architecture).tar.gz" \
+    && tar -xzf /tmp/oras.tar.gz -C /usr/local/bin oras \
+    && rm /tmp/oras.tar.gz
+
 RUN GOBIN=/usr/local/bin go install github.com/air-verse/air@v${AIR_VERSION}
 
 RUN GOBIN=/usr/local/bin go install github.com/oapi-codegen/oapi-codegen/v2/cmd/oapi-codegen@v${OAPI_CODEGEN_VERSION}

README.md

@@ -19,6 +19,7 @@ Go development container image for Agynio services.
 | buf | 1.64.0 | Multi-arch binary via `BUF_VERSION` |
 | air | 1.64.5 | Go hot-reload via `AIR_VERSION` |
 | oapi-codegen | 2.4.1 | OpenAPI code generation via `OAPI_CODEGEN_VERSION` |
+| oras | 1.1.0 | OCI registry CLI via `ORAS_VERSION` |
 | git, curl, bash, openssh-client, inotify-tools | Debian packages | Installed via apt |
 
 ## Usage